Let us now show how the Wigner negativity measure of a given state can be related to the weight of its single photon component. The Wigner function for an arbitrary Fock state \(|n\rangle \)  reads [1]}
\(W_{n}(\beta )=\frac{2(-1)^n}{\pi } e^{-2|\beta |^2} L_n\left(4|\beta |^2)\right),\) 
